Transport in Floquet-Bloch bands

Abstract

We report Floquet band engineering of long-range transport and direct imaging of Floquet-Bloch bands in an amplitude-modulated optical lattice. In one variety of Floquet-Bloch band we observe tunable rapid long-range high-fidelity transport of a Bose condensate across thousands of lattice sites. Quenching into an opposite-parity Floquet-hybridized band allows Wannier-Stark localization to be controllably turned on and off using modulation. A central result of this work is the use of transport dynamics to demonstrate direct imaging of a Floquet-Bloch band structure. These results demonstrate that transport in dynamical Floquet-Bloch bands can be mapped to transport in quasi-static effective bands, opening a path to cold atom quantum emulation of ultrafast multi-band electronic dynamics.

arXiv comment5 pages, 4 figures

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Cited by in corpus (28)

• Tailoring quantum gases by Floquet engineering
• Quantifying and controlling prethermal nonergodicity in interacting Floquet matter
• Floquet engineering of individual band gaps in an optical lattice using a two-tone drive
• Quench dynamics of Rydberg-dressed bosons on two-dimensional square lattices
• Floquet oscillations in periodically driven Dirac systems
• Six-dimensional time-space crystalline structures
• Site-Resolved Imaging of Bosonic Mott Insulator of ${}^7$Li atoms
• The open Bose-Hubbard chain: Pseudoclassical approach
• Nonlinear Floquet dynamics of spinor condensates in an optical cavity: Cavity-amplified parametric resonance
• Chaos-Assisted Long-Range Tunneling for Quantum Simulation
• Bloch-bands Picture for Light Pulse Atom Diffraction and Interferometry
• Transport signatures of symmetry protection in 1D Floquet topological insulators
• Two-dimensional Thouless pumping in time-space crystalline structures
• Non-Floquet engineering in periodically driven non-Hermitian systems
• Bose-Einstein condensates in an eightfold symmetric optical lattice
• Transport of ultracold atoms in superpositions of S- and D-band states in a moving optical lattice
• ${\mathbb{Z}}_2$ phases and Majorana spectroscopy in paired Bose-Hubbard chains
• Transport controlled by Poincaré orbit topology in a driven inhomogeneous lattice gas
• Area laws and thermalization from classical entropies in a Bose-Einstein condensate
• Non-exponential decay in Floquet-Bloch bands
• Entropy estimation in a spin-1 Bose-Einstein condensate
• Loading ultracold atoms onto nonlinear Bloch states and soliton states in bichromatic lattices
• Characterization of the chaotic phase in the tilted Bose-Hubbard model
• The Rabi problem with elliptic polarization
• Decay of symmetry-protected quantum states
• High-Field NMR Characterization and Indirect $J$-Spectroscopy of a Nuclear Spin Chain [U-${}^{13}$C,${}^{15}$N]-butyronitrile
• Time bound of atomic adiabatic evolution in the accelerated optical lattice
• Collisional scattering of strongly interacting D-band Feshbach molecules in optical lattices